20240209_Task 1_Assignment Part A_MEM23006_Student

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RMIT Classification: Trusted STUDENT STUDENT - KNOWLEDGE ASSESSMENT TASK Task Number 1 of 4 Task Name Assignment - Part A National unit/s code MEM23006 National unit/s title Apply fluid and thermodynamics principles in engineering National qualification code MEM60122 National qualification title Advanced Diploma of Engineering (Mechanical) RMIT Program code C6186 RMIT Course code MIET6367C Section A - Assessment Information Assessment duration and/or due date Week 6 Task Instructions Summary and Purpose of Assessment This is the first of four (4) assessment tasks you need to complete satisfactorily, in order to be deemed competent for this unit. Completing this assessment allows you to demonstrate the key knowledge and skills needed to apply fluid and thermodynamic principles to a range of engineering applications. Assessment Instructions to students This task consists of a series of questions that relate to the following three (3) areas:  Definitions & basic properties of fluids  Basic fluid statics & manometry  Work health & safety, environmental impacts & sustainability What  Answer ALL questions according to the instructions below.  Read each question carefully and answer ALL parts, including sub-questions, e.g. a) b) ci), cii) etc. Where: This assessment will take place out of class in your time. Refer to “Assignments” on Canvas for further information. How: All questions must be answered correctly for you to be assessed as satisfactory for this assessment task. Conditions for assessment Instructions to Students: 1. Students found in breach of assessment conditions can be charged with academic misconduct, have their results cancelled, be excluded from the program and receive other penalties. Penalties can also apply if a student’s assessment material is copied by others. 2. Plagiarism is the presentation of the work, idea or creation of another person as though it is one’s own. It is a form of cheating and is a very serious academic offence that may lead to expulsion from the University. Plagiarised material can be drawn from, and presented in, written, graphic and visual form, including electronic data, and oral presentations. Plagiarism occurs when the origin of the material used is not appropriately cited. 3. Late submission approval will be in line with Application for extension of submittable work (7 calendar days or less) form and is available at building 57, level 5, SVEHS reception. Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 1 of 13

RMIT Classification: Trusted STUDENT 4. RMIT special consideration is to enable you to maintain your academic progress despite adverse circumstances. The process for special consideration can be found at http://www1.rmit.edu.au/students/specialconsideration 5. Students with a disability or long-term medical or mental health condition can apply for adjustments to their study and assessment conditions (Reasonable Adjustments and Equitable Assessment Arrangements) by registering with the Equitable Learning Services (ELS) at https://www.rmit.edu.au/students/support-and-facilities/student-support/ equitable-learning-services If you already registered with ELS and your study plan is approved, please inform your teacher if this assessment task is not adjusted in line with approved study plan. 6. If a student’s result is NYS, feedback and an agreed deadline date for the student to demonstrate competency will be advised. Additional: 1. This is an individual assessment 2. Performance requirement: a. Satisfactory (S) performance – Complete all questions correctly b. Not Yet Satisfactory (NYS) performance – unable to complete all questions correctly 3. You need to achieve satisfactory (S) results in all four (4) assessments tasks to be deemed Competent (CA). Useful Links Please use links below to access important information on assessments: Assessment submission and appeals - Assessments Extensions and special considerations - Extensions and special consideration Equitable Assessment Arrangement (EAA) - Equitable Assessment Arrangements Information on recording and retaining assessments and dealing with assessment appeals can be found in the RMIT Assessment Processes document Instructions on Submitting your Assessment This Assessment is to be completed and uploaded to CANVAS by the due date. Please refer to the CANVAS announcement for more specific date. Equipment/resources students must supply (if applicable): Equipment/resources to be provided by RMIT or the workplace (if applicable):  Computer or laptop with internet access  Scientific Calculator, Pens & Pencils  Computer with internet access  This question sheet and teaching resources provided on CANVAS Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 2 of 13

RMIT Classification: Trusted STUDENT Section B – Student Answer Sheet Student Name Student ID Students provide your responses in the boxes below each question Questions Satisfactory Y N Q1: DEFINITIONS & BASIC PROPERTIES OF FLUIDS: (a) Explain the difference between absolute pressure and gauge pressure. How do we convert from gauge pressure to absolute pressure? A: ☐ ☐ (b) Explain the difference between the absolute (Kelvin) and practical (Celsius) scales of temperature. How do we convert from Celsius degrees to Kelvins? A: ☐ ☐ (c) (i) If a pressure gauge reads 370 kPa what is the absolute pressure? A: ☐ ☐ (c) (ii) A thermometer reads -170 °c. What is the absolute temperature in Kelvins? A: ☐ ☐ Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 3 of 13

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RMIT Classification: Trusted STUDENT (d) A pressure gauge calibrator pressure gauge calibrator, as shown in the figure below has a 60 mm diameter piston. The combined mass of the piston and carrier is 0.5 kg. Determine what the correct pressure gauge reading should be when a mass of 3.5 kg is placed on the carrier (assume no friction or leakage loss). A: ☐ ☐ (e) A liquid half fills a cylindrical container with a diameter of 300 mm and a length of 2500 mm. If the weight of liquid is 420 N, determine the density, relative density (R.D.) and specific volume of the liquid. A: ☐ ☐ Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 4 of 13

RMIT Classification: Trusted STUDENT (f) For the hydraulic jack illustrated below, determine: (i) the Fluid pressure (ii) the Ram force (F) A: ☐ ☐ (g) The temperature of 3.0 litres of a gas at 25°C is raised to 150°C at constant pressure. What is the new volume of the gas? A: ☐ ☐ Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 5 of 13

RMIT Classification: Trusted STUDENT (h) Briefly describe the 3 principal States of Matter in terms of intermolecular forces, density and the ability of molecules to either maintain a rigid shape or flow to fill a container. A: ☐ ☐ (i) Describe the effect of increasing the temperature of a gas on the motion of its molecules (kinetic theory of gases). A: ☐ ☐ (j) Given that Copper (Cu) has an average atomic mass of 63.546 u, determine the number of atoms of copper Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 6 of 13

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RMIT Classification: Trusted STUDENT in a sample of 250 grams. (Avogadro’s No. is 6.022 x 1023 atoms/mole) A: ☐ ☐ (k) What are the properties of an ideal liquid? A: ☐ ☐ Q2: BASIC FLUID STATICS & MANOMETRY: (a) State Pascal's principle A: ☐ ☐ (b) (i) Determine the atmospheric pressure (absolute) at sea level when the mercury barometer records a height ‘h’ of 765 mm. Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 7 of 13

RMIT Classification: Trusted STUDENT (ii) Determine the value of ‘h’ in mm when the atmospheric pressure on Mt. Everest (8,849 m above sea level) is 31.4 kPa (absolute) (Take g = 9.81 m/s2 and the RD of Mercury (Hg) is 13.6 in both cases above) A: ☐ ☐ (c) A tank holds water to a depth of 8 m. A pressure gauge above the water (p1) reads 60 kPa (i.e. The tank is pressurized (gas) above atmospheric above the water level). Determine the pressure (gauge) at the base of the tank (p2). A: ☐ ☐ (d) State Archimedes' principle. Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 8 of 13

RMIT Classification: Trusted STUDENT A: ☐ ☐ (e) A steel block of dimensions 200mm x 150 mm x 80 mm is fully immersed in an oil bath. Calculate the upthrust force on the block and its apparent weight, taking the relative density of steel 7.8 and oil 0.9. A: ☐ ☐ (f) A manometer is used to determine the pressure of a gas in a container as shown. The manometer 'U' - tube is (partially) filled with an oil which has a Specific Gravity (SG) (or Relative Density (RD)) of 0.85. Calculate the Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 9 of 13

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RMIT Classification: Trusted STUDENT absolute pressure in the container which is filled with compressed air above the oil surface. (Gravitational effects of the gas and its density may be neglected). A: ☐ ☐ (g) A differential manometer, as shown below is used to determine the difference between the upstream pressure at (1) and the constriction in the pipe at (2) of water flowing through the Venturi tube shown. Given that the upstream pressure at (1) is 150 kPa determine the pressure at the constriction (2) if the manometer Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 10 of 13

RMIT Classification: Trusted STUDENT fluid is mercury of R.D. 13.6 and the difference in height h is 60 mm. (Density of water is 1000 kg/m3). A: ☐ ☐ Q3. WORK HEALTH & SAFETY, ENVIRONMENTAL IMPACTS & SUSTAINABILTY: Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 11 of 13

RMIT Classification: Trusted STUDENT (a) List FOUR important properties of a fluid which must be considered to ensure safety in the design and handling of fluids & fluid machinery. (b) What immediate plan of action would you take if a pipe containing high pressure liquid or gas were to suddenly burst? (c) What is the main function of isolation valves in a piping network in terms of safety procedure? (d) What national standard is used to monitor safety when handling hazardous fluids? (e) List three possible negative impacts on the environment of improper design and handling of fluids & fluid machinery. (f) In what way can the study of Fluid Mechanics and Thermodynamics contribute to sustainable energy production? List TWO examples. A: ☐ ☐ Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 12 of 13

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RMIT Classification: Trusted STUDENT Section C – Feedback to Student Has the student successfully completed the task? Yes No ☐ ☐ Feedback to student: Assessor Name Date Task 1_Assignment Part A 1 of 4 09/02/2024 Student knowledge assessment task © Content is subject to copyright, RMIT University FINAL APPROVED – STUDENT KNOWLEDGE ASSESSMENT TASK TEMPLATE – July 2023_Version 2.1 Page 13 of 13